package com.jckl.foodathon.activities;

import java.util.ArrayList;

import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.widget.DrawerLayout;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;

import com.jckl.foodathon.R;
import com.jckl.foodathon.common.constant.CommunicationConstants;
import com.jckl.foodathon.fragments.BlogFragment;
import com.jckl.foodathon.fragments.BloggerFragment;
import com.jckl.foodathon.fragments.BrandFragment;
import com.jckl.foodathon.fragments.StoreFragment;
import com.jckl.foodathon.model.DrawerListWidget;
import com.jckl.foodathon.widget.DrawerListAdapter;

public class StoreActivity extends FragmentActivity {
	
    private DrawerLayout mDrawerLayout;
    private ListView mDrawerList;
    private ActionBarDrawerToggle mDrawerToggle;
    
    // drawer title
    private CharSequence mDrawerTitle;
	
    // used to store app title
    private CharSequence mTitle;
    
    // slide menu items
    private String[] menuTitles;
    private TypedArray menuIcons;    
    
    private ArrayList<DrawerListWidget> listWidget;
    private DrawerListAdapter adapter;
    
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.acti_store);
		
		mTitle = mDrawerTitle = getTitle();
		
		// Initilization
		menuTitles = getResources().getStringArray(R.array.configuration_drawer_items);
//      navMenuIcons = getResources().obtainTypedArray(R.array.nav_drawer_icons);
		
		mDrawerLayout = (DrawerLayout) findViewById(R.id.store_drawerlayout);
        mDrawerList = (ListView) findViewById(R.id.store_slider_menu);
        
        listWidget = new ArrayList<DrawerListWidget>();
        
        // adding nav drawer items to array
        // Brand
        listWidget.add(new DrawerListWidget(menuTitles[0]));
        // Store
        listWidget.add(new DrawerListWidget(menuTitles[1]));
        // Blogger
        listWidget.add(new DrawerListWidget(menuTitles[2]));
        // Blogger
        listWidget.add(new DrawerListWidget(menuTitles[3]));
        
        mDrawerList.setOnItemClickListener(new SlideMenuClickListener());
        
     // setting the nav drawer list adapter
        adapter = new DrawerListAdapter(getApplicationContext(), listWidget);
        mDrawerList.setAdapter(adapter);
        
     // enabling action bar app icon and behaving it as toggle button
        getActionBar().setDisplayHomeAsUpEnabled(true);
        getActionBar().setHomeButtonEnabled(true);
        
        mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
                R.drawable.ic_drawer, //nav menu toggle icon
                R.string.app_name, // nav drawer open - description for accessibility
                R.string.app_name // nav drawer close - description for accessibility
        ) {
            public void onDrawerClosed(View view) {
                getActionBar().setTitle(mTitle);
                // calling onPrepareOptionsMenu() to show action bar icons
                invalidateOptionsMenu();
            }
 
            public void onDrawerOpened(View drawerView) {
                getActionBar().setTitle(mDrawerTitle);
                // calling onPrepareOptionsMenu() to hide action bar icons
                invalidateOptionsMenu();
            }
        };
        mDrawerLayout.setDrawerListener(mDrawerToggle);
        
        if (savedInstanceState == null) {
            // on first time display view for first nav item
            displayView(0);
        }
		
	}
	
    /**
     * Slide menu item click listener
     * */
    private class SlideMenuClickListener implements ListView.OnItemClickListener {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position,
                long id) {
            // display view for selected nav drawer item
            displayView(position);
        }
    }
    
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
    
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // toggle nav drawer on selecting action bar app icon/title
        if (mDrawerToggle.onOptionsItemSelected(item)) {
            return true;
        }
        // Handle action bar actions click
        switch (item.getItemId()) {
        case R.id.action_settings:
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }
    
    /***
     * Called when invalidateOptionsMenu() is triggered
     */
    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        // if nav drawer is opened, hide the action items
        boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
        menu.findItem(R.id.action_settings).setVisible(!drawerOpen);
        return super.onPrepareOptionsMenu(menu);
    }
 
    
    /**
     * Diplaying fragment view for selected nav drawer list item
     * */
    private void displayView(int position) {
        // update the main content by replacing fragments
        Fragment fragment = null;
        switch (position) {
        case 0:
            fragment = new BrandFragment();
            break;
        case 1:
            fragment = new StoreFragment();
            break;
        case 2:
            fragment = new BloggerFragment();
            break;
        case 3:
            fragment = new BlogFragment();
            break;
 
        default:
            break;
        }
 
        if (fragment != null) {
            FragmentManager fragmentManager = getSupportFragmentManager();
            fragmentManager.beginTransaction().replace(R.id.store_frame_container, fragment).commit();
 
            // update selected item and title, then close the drawer
            mDrawerList.setItemChecked(position, true);
            mDrawerList.setSelection(position);
            setTitle(menuTitles[position]);
            mDrawerLayout.closeDrawer(mDrawerList);
        } else {
            // error in creating fragment
            Log.e(CommunicationConstants.APP_TAG, "Error in creating fragment");
        }
    }
	
    @Override
    public void setTitle(CharSequence title) {
        mTitle = title;
        getActionBar().setTitle(mTitle);
    }
    
    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        // Sync the toggle state after onRestoreInstanceState has occurred.
        mDrawerToggle.syncState();
    }
    
    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        // Pass any configuration change to the drawer toggls
        mDrawerToggle.onConfigurationChanged(newConfig);
    }

}
